<?php

declare(strict_types=1);

namespace Modules\RestaurantDelivery\DTOs;

use Illuminate\Http\Request;

readonly class RiderLocationDTO
{
    public function __construct(
        public float $latitude,
        public float $longitude,
        public ?float $speed = null,
        public ?float $bearing = null,
        public ?float $accuracy = null,
        public ?float $altitude = null,
        public ?\DateTimeInterface $timestamp = null,
    ) {}

    /**
     * Create DTO from request.
     */
    public static function fromRequest(Request $request): self
    {
        return new self(
            latitude: (float) $request->input('latitude'),
            longitude: (float) $request->input('longitude'),
            speed: $request->filled('speed') ? (float) $request->input('speed') : null,
            bearing: $request->filled('bearing') ? (float) $request->input('bearing') : null,
            accuracy: $request->filled('accuracy') ? (float) $request->input('accuracy') : null,
            altitude: $request->filled('altitude') ? (float) $request->input('altitude') : null,
            timestamp: $request->filled('timestamp') ? new \DateTime($request->input('timestamp')) : null,
        );
    }

    /**
     * Create DTO from array.
     */
    public static function fromArray(array $data): self
    {
        return new self(
            latitude: (float) ($data['latitude'] ?? $data['lat'] ?? 0),
            longitude: (float) ($data['longitude'] ?? $data['lng'] ?? 0),
            speed: isset($data['speed']) ? (float) $data['speed'] : null,
            bearing: isset($data['bearing']) ? (float) $data['bearing'] : null,
            accuracy: isset($data['accuracy']) ? (float) $data['accuracy'] : null,
            altitude: isset($data['altitude']) ? (float) $data['altitude'] : null,
            timestamp: isset($data['timestamp']) ? new \DateTime($data['timestamp']) : null,
        );
    }

    /**
     * Convert to array.
     */
    public function toArray(): array
    {
        return array_filter([
            'latitude' => $this->latitude,
            'longitude' => $this->longitude,
            'speed' => $this->speed,
            'bearing' => $this->bearing,
            'accuracy' => $this->accuracy,
            'altitude' => $this->altitude,
            'timestamp' => $this->timestamp?->format('Y-m-d H:i:s'),
        ], fn ($value) => $value !== null);
    }

    /**
     * Convert to Firebase format.
     */
    public function toFirebaseFormat(): array
    {
        return [
            'lat' => $this->latitude,
            'lng' => $this->longitude,
            'speed' => $this->speed,
            'bearing' => $this->bearing,
            'accuracy' => $this->accuracy,
            'timestamp' => ($this->timestamp ?? now())->getTimestamp() * 1000, // JavaScript timestamp
        ];
    }

    /**
     * Check if location is valid.
     */
    public function isValid(): bool
    {
        return $this->latitude >= -90
            && $this->latitude <= 90
            && $this->longitude >= -180
            && $this->longitude <= 180;
    }

    /**
     * Check if accuracy is acceptable.
     */
    public function hasAcceptableAccuracy(?float $threshold = null): bool
    {
        if ($this->accuracy === null) {
            return true;
        }

        $threshold = $threshold ?? config('restaurant-delivery.firebase.location.accuracy_threshold', 50);

        return $this->accuracy <= $threshold;
    }
}